DK179680A - Fremgangsmaade til dataoverfoering over en totraadsledning - Google Patents

Fremgangsmaade til dataoverfoering over en totraadsledning

Info

Publication number
DK179680A
DK179680A DK179680A DK179680A DK179680A DK 179680 A DK179680 A DK 179680A DK 179680 A DK179680 A DK 179680A DK 179680 A DK179680 A DK 179680A DK 179680 A DK179680 A DK 179680A
Authority
DK
Denmark
Prior art keywords
signal
components
procedure
wire
data transmission
Prior art date
Application number
DK179680A
Other languages
Danish (da)
English (en)
Inventor
A Haas
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK179680A publication Critical patent/DK179680A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
DK179680A 1979-05-29 1980-04-25 Fremgangsmaade til dataoverfoering over en totraadsledning DK179680A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2921780A DE2921780C3 (de) 1979-05-29 1979-05-29 Verfahren und Schaltungsanordnung zur Übertragung von Daten über eine Zweidrahtleitung

Publications (1)

Publication Number Publication Date
DK179680A true DK179680A (da) 1980-11-30

Family

ID=6071947

Family Applications (1)

Application Number Title Priority Date Filing Date
DK179680A DK179680A (da) 1979-05-29 1980-04-25 Fremgangsmaade til dataoverfoering over en totraadsledning

Country Status (9)

Country Link
US (1) US4370741A (de)
EP (1) EP0019755B1 (de)
AT (1) ATE2367T1 (de)
AU (1) AU532276B2 (de)
BR (1) BR8003345A (de)
CA (1) CA1140634A (de)
DE (1) DE2921780C3 (de)
DK (1) DK179680A (de)
NO (1) NO801518L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460075B1 (fr) * 1979-06-22 1988-12-09 Cit Alcatel Annuleur d'echo adaptatif pour transmission de donnees en duplex
DE3047425A1 (de) * 1980-12-17 1982-07-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur nachstellung der echoloescherkoeffizienten bei kombinierter adaptiver echoloeschung und entzerrung
US4464545A (en) * 1981-07-13 1984-08-07 Bell Telephone Laboratories, Incorporated Echo canceller
US4669116A (en) * 1982-12-09 1987-05-26 Regents Of The University Of California Non-linear echo cancellation of data signals
US4520476A (en) * 1982-12-13 1985-05-28 Rockwell International Corporation Apparatus for enabling the duplex operation of a transmitter and receiver
FR2540314A1 (fr) * 1983-01-31 1984-08-03 Trt Telecom Radio Electr Procede d'initialisation des coefficients de filtres dans un dispositif d'annulation d'echos proche et lointain et dispositif de mise en oeuvre de ce procede
FR2546693B1 (fr) * 1983-05-26 1985-08-30 Centre Nat Rech Scient Annuleur d'echo a filtre numerique adaptatif pour systeme de transmission
US4621356A (en) * 1983-07-18 1986-11-04 Scipione Fred J Communications interface for duplex transmission and reception of data and other signals over telephone lines
DE3401944A1 (de) * 1984-01-20 1985-08-01 Siemens AG, 1000 Berlin und 8000 München 1 bit/1 bit-digitalkorrelator
US4715064A (en) * 1984-06-22 1987-12-22 Ncr Corporation Adaptive hybrid circuit
US4682358A (en) * 1984-12-04 1987-07-21 American Telephone And Telegraph Company Echo canceller
FR2614484B1 (fr) * 1986-12-30 1994-04-08 Telecommunications Sa Terminal de transmission de donnees sur une voie analogique bidirectionnelle avec annulation d'echo couplee au rythme reception
US4847888A (en) * 1988-02-16 1989-07-11 Gulton Industries, Inc., Femco Division Field telephone system
US4910798A (en) * 1988-05-17 1990-03-20 North American Philips Corp. Reverse Nyquist slope filter
JPH09223990A (ja) * 1996-02-19 1997-08-26 Fujitsu Ltd 伝送装置
US6445698B1 (en) 1998-09-08 2002-09-03 Hyperedge Corporation Two wire DDS transport system
DE19844457C1 (de) * 1998-09-28 2000-07-06 Siemens Ag Verfahren zur Duplex-Datenübertragung mit QAM und Demodulator zur Verwendung in diesem Verfahren
US6901358B1 (en) * 2001-07-03 2005-05-31 Sprint Communications Company L.P. Communication media simulation for a service provider
US6915250B1 (en) * 2001-07-03 2005-07-05 Sprint Communications Company L.P. Customer premises simulation for a service provider
US7142501B1 (en) * 2001-12-26 2006-11-28 Cisco Technology, Inc. Method and apparatus for eliminating near-end crosstalk in a digital subscriber line system
GB201408853D0 (en) * 2014-05-19 2014-07-02 Diamond Light Source Ltd Analysis of signals from pixellated detectors of ionizing radiation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815657A (en) * 1930-03-06 1931-07-21 Int Communications Lab Inc Submarine cable system
GB1434239A (en) * 1972-08-10 1976-05-05 Siemens Ag Echo cancellers
US4144417A (en) * 1975-03-07 1979-03-13 Kokusai Denshin Denwa Kabushiki Kaisha Echo cancelling system
DE2619712B2 (de) * 1976-05-04 1978-07-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum automatischen Abgleich eines Zweidraht-VoIlduplex-Datenübertragungssystems
US4074086A (en) * 1976-09-07 1978-02-14 Bell Telephone Laboratories, Incorporated Joint adaptive echo canceller and equalizer for two-wire full-duplex data transmission
SE416367B (sv) * 1976-09-07 1980-12-15 Western Electric Co Ekoelimineringsanordning

Also Published As

Publication number Publication date
AU532276B2 (en) 1983-09-22
NO801518L (no) 1980-12-01
EP0019755B1 (de) 1983-01-26
ATE2367T1 (de) 1983-02-15
CA1140634A (en) 1983-02-01
DE2921780A1 (de) 1980-12-04
DE2921780C3 (de) 1982-02-11
EP0019755A1 (de) 1980-12-10
AU5882980A (en) 1980-12-04
BR8003345A (pt) 1980-12-30
DE2921780B2 (de) 1981-06-04
US4370741A (en) 1983-01-25

Similar Documents

Publication Publication Date Title
DK179680A (da) Fremgangsmaade til dataoverfoering over en totraadsledning
SE7705875L (sv) Flerkanalsystem
DE3177228D1 (de) Fernseh uebertragungsanordnung zum uebertragen von datensignalen.
ATE39802T1 (de) Verfahren und anordnung zur aussensynchronisierung.
ES2016462A6 (es) Aparato para grabar una senal de video de definicion ampliada, y sistema para procesar senales de video.
ATE10320T1 (de) Digitale uebertragungssysteme.
JPS5269506A (en) Secondary carrier wave piling pcm-im communication system
NO148014C (no) Fremgangsmaate og koblingsanordning til proevning av en informasjonsstasjon.
AT343726B (de) Schaltungsanordnung fur die empfangsseite von zeitmultiplex-ubertragungsstrecken, die fur zeichenrahmengebundene ubertragung von telegraphie- oder datensignalen eingerichtet sind
JPS5412509A (en) Eliminating system for interference distortion caused in modulation signal by mutual interference of fm wave signals
ES447158A1 (es) Un sistema perfeccionado de transmision para una senal de television en colores.
EP0092957A3 (de) Übertragungssystem
JPS51145240A (en) Data communication system
SU1153396A1 (ru) Информационный канал с обратной св зью
JPS5229782A (en) Variable damper mechanism for differential pressure transmitters
GB352095A (en) Improvements in or relating to electric signal band reduction
JPS545693A (en) Information communication system
PL101658B1 (pl) Method of obtaining sexivalent discrete frequency modulation for the transmission of telegraphic signals
FR1551882A (de)
JPS53106513A (en) Multiplex communication system
DK83483C (da) Fremgangsmåde til multipleksoverføring af fjernsynsinformationssignaler, samt sender og modtager til udøvelse af fremgangsmåden.
JPS5338207A (en) Timing regenerative system
DK318477A (da) Kobling til overforing af fjernsynssignaler
SU1102373A1 (ru) Способ передачи голографической информации по каналам связи
JPS5417053A (en) Analog input device

Legal Events

Date Code Title Description
ATS Application withdrawn